1:8 I haven't tried 50gr in theory they will blow up, and not what I built it for. Probably need faster twist for 90gr I haven't tried. and understand not many people were having success with them.
80gr is good, or even some of the new bullets 80.5 etc. Run the numbers on one of the 80gr projectiles at about 3200 26 inch barrel, and less recoil.
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